CVE-2020-27936

An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave. A local user may be able to cause unexpected system termination or read kernel memory.

• CWE-125

• https://support.apple.com/en-us/HT212011Vendor Advisory
• https://support.apple.com/en-us/HT212011Vendor Advisory

Published

Apr 2, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2020-2793Vulnerability in the Oracle Financial Services Analytical Ap…7.1
• CVE-2020-27930A memory corruption issue was addressed with improved input …7.8
• CVE-2020-27931A memory corruption issue existed in the processing of font …7.8
• CVE-2020-27932A type confusion issue was addressed with improved state han…7.8
• CVE-2020-27933A memory corruption issue was addressed with improved input …7.8
• CVE-2020-27935Multiple issues were addressed with improved logic. This iss…6.3
• CVE-2020-27937A logic issue was addressed with improved state management. …5.5
• CVE-2020-27938A logic issue was addressed with improved state management. …7.8
• CVE-2020-27939This issue was addressed with improved checks. This issue is…7.8
• CVE-2020-2794Vulnerability in the Oracle Email Center product of Oracle E…8.2
• CVE-2020-27940This issue was addressed with improved file handling. This i…4.3
• CVE-2020-27941A validation issue was addressed with improved logic. This i…7.8